diff --git a/lms/migrations/versions/18109b584a5b_add_assignment_course_relationship.py b/lms/migrations/versions/18109b584a5b_add_assignment_course_relationship.py
new file mode 100644
index 0000000000..d69e5117f6
--- /dev/null
+++ b/lms/migrations/versions/18109b584a5b_add_assignment_course_relationship.py
@@ -0,0 +1,25 @@
+"""Add assignment course relationship."""
+
+import sqlalchemy as sa
+from alembic import op
+
+revision = "18109b584a5b"
+down_revision = "d8d33d882b88"
+
+
+def upgrade() -> None:
+    op.add_column("assignment", sa.Column("course_id", sa.Integer(), nullable=True))
+    op.create_foreign_key(
+        op.f("fk__assignment__course_id__grouping"),
+        "assignment",
+        "grouping",
+        ["course_id"],
+        ["id"],
+    )
+
+
+def downgrade() -> None:
+    op.drop_constraint(
+        op.f("fk__assignment__course_id__grouping"), "assignment", type_="foreignkey"
+    )
+    op.drop_column("assignment", "course_id")